Built -up roof - A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low -pitched roofs.
Collar beam - Nominal 1 - or 2 -inch -thick members connecting opposite roof rafters. They serve to stiffen the roof structure.
Delamination - Separation of the plies in a panel due to failure of the adhesive. Usually caused by excessive moisture.
Frieze - In house construction a horizontal member connecting the top of the siding with the soffit of the cornice.
R Value - A measure of insulation. A measure of a materials resistance to the passage of heat. The higher the R value, the more insulating "power" it has. For example, typical new home's walls are usually insulated with 4" of batt insulation with an R value of R -13, and a ceiling insulation of R -30.
Ridge - The horizontal line at the junction of the top edges of two sloping roof surfaces.
Wall out - When a painter pray paints the interior of a home.
Yoke - The location where a home's water meter is sometimes installed between two copper pipes, and located in the water meter pit in the yard.
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DEWALT D25600K 1-3/4-Inch SDS Max Rotary Hammer Kit
Feature: ... 11.5 Amp motor for fast drilling and powerful chipping; Operates at 1,330-to-2,660 BPM and 140-to-280 RPM; 360-degree side handle; Measures 18-1/2 inches long and weighs 13.4 pounds; Included with rotary hammer: 360-degree side handle, depth rod, heavy-duty kit box ...more
Customer Reviews — [1] Rating: 5 Date: 2008-12-08 Summary: Great for the price ... I think this hammerdrill is great for the price, however I do agree that it could use a little more power (for its 1-3/4" size). But I can't really complain about that because it is several hundred dollars cheaper than the more powerful Hitachi, so for the majority of holes I drill (1/2"-3") it works great. ...more
[2] Rating: 4 Date: 2008-10-21 Summary: Good roto-hammer for the price ... Although I wish this roto-hammer was more powerful it is priced very reasonably. I have seen similarly powered roto-hammers for sale up to three times the money. ...more
Editorial Reviews — ... Product Description | Designed for deep hole drilling, The DeWalt D25600K 1-3/4-inch SDS Max Rotary Hammer Kit with Electronic Variable Speed and Impact Control comes with a heavy-duty 11.5 Amp motor. Built for moderate-grade chipping jobs, this rotary hammer is capable of delivering eight lbs./ft. of impact energy for fast drilling and powerful chipping (at 1,330-to-2,660 BPM and 140-to-280 RPM). Included is a rear handle mount for less bending over when using tool in down drilling applications, and a factory...more
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